E·con·o·mize v. t. [imp. & p. p. Economized p. pr. & vb. n. Economizing.] To manage with economy; to use with prudence; to expend with frugality; as, to economize one's income. [Written also economise.]
Expenses in the city were to be economized. --Jowett (Thucyd. ).
Calculating how to economize time. --W. Irving.